/* Hint that a hostname may be found at an address
* See header file for detailed comment.
*/
-extern void meshlink_hint_address(meshlink_handle_t *mesh, char *hostname, struct sockaddr *addr) {
+extern void meshlink_hint_address(meshlink_handle_t *mesh, const char *hostname, struct sockaddr *addr) {
if(!mesh || !hostname || !addr)
return;